Combined prefabricated heat preservation and sound insulation laminated slab for building

Abstract

The utility model discloses a combined type prefabricated heat preservation and sound insulation laminated slab for building, which comprises a bottom plate, lower reinforcing steel bars and a sound insulation plate are arranged on the bottom plate, the lower reinforcing steel bars are symmetrically pre-buried on two sides in the bottom plate, extending steel bars are welded on the tops of the lower reinforcing steel bars at equal intervals, reinforcing steel bars are welded on the extending steel bars at equal intervals, and the sound insulation plate is arranged on the bottom plate. The sound insulation plate is placed on the top of the bottom plate. The sound insulation performance and the heat preservation performance of the prefabricated slab can be effectively improved.

Description

Technical Field

[0001] The utility model relates to a combined prefabricated heat-insulating and sound-insulating composite board for buildings, belonging to the technical field of prefabricated composite boards. Background Art

[0002] Prefabricated panels are used in many ways in construction, such as cement panels covering ditches beside roads and cement panels used as thermal insulation layers on roofs. However, the prefabricated panels currently used have simple structures and can only achieve a single supporting role and single function, which seriously affects the practicality of prefabricated panels. In order to solve the above problems, a new technical solution is provided. Utility Model Content

[0003] The utility model aims to provide a combined prefabricated thermal insulation and sound insulation composite board for building to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a prefabricated thermal insulation and sound insulation composite panel for building, comprising a base plate, on which lower reinforcing steel bars and sound insulation panels are arranged, the lower reinforcing steel bars are symmetrically embedded on both sides of the base plate, and extension steel bars are equidistantly welded on the top of the lower reinforcing steel bars, and reinforcing steel bars are equidistantly welded on the extension steel bars, and the sound insulation panels are placed on the top of the base plate.

[0005] Preferably, the sound insulation board is provided with longitudinal steel bars and transverse steel bars, the longitudinal steel bars are longitudinally equidistantly placed on the top of the sound insulation board, the transverse steel bars are transversely equidistantly placed on the top of the sound insulation board, and the transverse steel bars and the longitudinal steel bars are welded together.

[0006] Preferably, a middle concrete layer is poured on the transverse steel bars and the longitudinal steel bars, an insulation board is placed on the top of the middle concrete layer, and an upper concrete layer is poured on the insulation board.

[0007] Preferably, upper reinforcing steel bars are pre-embedded on both sides of the upper concrete layer, and tripods are equidistantly welded to the tops of the upper reinforcing steel bars.

[0008] Preferably, the length of the extended steel bar is symmetrical to the thickness of the middle concrete layer and the upper concrete layer.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the length of the extended steel bars of the utility model is symmetrical with the thickness of the middle concrete layer and the upper concrete layer, so that the middle concrete layer, the upper concrete layer and the bottom plate can be firmly connected to each other; an insulation board is placed on the top of the middle concrete layer, which can effectively improve the thermal insulation of the prefabricated board; a sound insulation board is placed on the top of the bottom plate, which can effectively improve the sound insulation of the prefabricated board; based on the above, the utility model can effectively improve the sound insulation and thermal insulation of the prefabricated board. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the bottom plate structure of the utility model;

[0012] Figure 3 This is a schematic diagram of the concrete layer structure in the utility model;

[0013] In the figure: 1-bottom plate; 2-lower reinforcing steel bar; 3-sound insulation board; 4-extension steel bar; 5-reinforcement steel bar; 6-longitudinal steel bar; 7-transverse steel bar; 8-middle concrete layer; 9-insulation board; 10-upper concrete layer; 11-upper reinforcing steel bar; 12-tripod. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0015] like Figure 1-3 As shown, a combined prefabricated thermal insulation and sound insulation composite board for building comprises a bottom plate 1, on which a lower reinforcing steel bar 2 and a sound insulation board 3 are arranged, the lower reinforcing steel bar 2 is symmetrically embedded on both sides inside the bottom plate 1, and an extension steel bar 4 is welded equidistantly on the top of the lower reinforcing steel bar 2, and a reinforcing steel bar 5 is welded equidistantly on the extension steel bar 4, and the sound insulation board 3 is placed on the top of the bottom plate 1, and longitudinal steel bars 6 and transverse steel bars 7 are arranged on the sound insulation board 3, the longitudinal steel bars 6 are longitudinally equidistantly arranged on the top of the sound insulation board 3, and the transverse steel bars 7 are transversely equidistantly arranged on the top of the sound insulation board 3, and the transverse steel bars 7 are welded to each other, a middle concrete layer 8 is cast on the transverse steel bars 7 and the longitudinal steel bars 6, a thermal insulation board 9 is placed on the top of the middle concrete layer 8, an upper concrete layer 10 is cast on the thermal insulation board 9, upper reinforcing steel bars 11 are embedded on both sides inside the upper concrete layer 10, and a tripod 12 is welded equidistantly on the top of the upper reinforcing steel bar 11, and the length of the extension steel bar 4 is symmetrical with the thickness of the middle concrete layer 8 and the upper concrete layer 10.

[0016] Specific usage: reinforcing steel bars 5 are welded at equal intervals on the extended steel bars 4, which can firmly connect the bottom plate 1, the middle concrete layer 8 and the upper concrete layer 10 to each other; the longitudinal steel bars 6 and the transverse steel bars 7 can effectively strengthen the strength between the bottom plate 1 and the middle concrete layer 8; the upper reinforcing steel bars 11 can effectively strengthen the strength of the upper concrete layer 10; the sound insulation board 3 and the thermal insulation board 9 can effectively perform sound insulation and thermal insulation operations on the prefabricated composite panels.

[0017] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A prefabricated heat-insulating and sound-insulating composite board for building, comprising a bottom plate (1), characterized in that: The bottom plate (1) is provided with lower reinforcing steel bars (2) and a sound insulation board (3); the lower reinforcing steel bars (2) are symmetrically pre-embedded on both sides of the bottom plate (1); extension steel bars (4) are welded to the top of the lower reinforcing steel bars (2) at equal intervals; reinforcing steel bars (5) are welded to the extension steel bars (4) at equal intervals; and the sound insulation board (3) is placed on the top of the bottom plate (1).

2. The combined prefabricated thermal insulation and sound insulation composite board for construction according to claim 1, characterized in that: The sound insulation board (3) is provided with longitudinal steel bars (6) and transverse steel bars (7), the longitudinal steel bars (6) are longitudinally equidistantly placed on the top of the sound insulation board (3), the transverse steel bars (7) are transversely equidistantly placed on the top of the sound insulation board (3), and the transverse steel bars (7) and the longitudinal steel bars (6) are welded to each other.

3. The combined prefabricated thermal insulation and sound insulation composite board for construction according to claim 2, characterized in that: A middle concrete layer (8) is cast on the transverse steel bars (7) and the longitudinal steel bars (6), a heat-insulating board (9) is placed on the top of the middle concrete layer (8), and an upper concrete layer (10) is cast on the heat-insulating board (9).

4. The combined prefabricated thermal insulation and sound insulation composite board for construction according to claim 3, characterized in that: Upper reinforcing steel bars (11) are pre-buried on both sides of the upper concrete layer (10), and tripods (12) are welded at equal intervals on the tops of the upper reinforcing steel bars (11).

5. The combined prefabricated thermal insulation and sound insulation composite board for construction according to claim 1, characterized in that: The length of the extended steel bar (4) is symmetrical to the thickness of the middle concrete layer (8) and the upper concrete layer (10).

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